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10th Class Biology 1 Mark Questions



One Mark Questions
  1. most leaves have the upper surface more green and shiny than the lower ones. Why? 
  2.  how are alveoli designed to maximize the exchange of gases? 
  3. write differences between Systole and Diastole. 
  4. we people have very less awareness about organ donation, to motivate people write slogans about organ donation. 
  5. how does digestive system coordinate with circulatory system? 
  6. draw the recycling logo.
  7. prepare slogans to promote awareness in your classmates about eco friendly activities.

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